Letters on the Diseases of Plants. 



13 



Fig-. 12. — Photog-raph of p.irt of the manure experiment plots, Wagg-a Experiment Farm, conducted on 

 the row system. Each long- row is compared only with that which stands next to it. This is the 

 third year of the exijeriments. The average results should be ready for ijublication in about a year. 

 The results are tabulated most carefully each year, and are open to inspection, but it is the desire 

 to avoid any premature pubUcatior. A variety of seasons must be tried first. This part of the 

 manure experiments is directed towards the solution of the questions relating- to the application of 

 artificial manure to ]ate-sown wheat, and to the hasteningr of the matimty of wheat in general — 

 questions which have arisen out of my investigations into the best methods of combatting the 

 disease of wheat known as rust. The road alongside the manure plot leads to Wagga. The build 

 ings, about a dozen in all, are the students' quarters .ind farm buildings. The trees in the far 

 distance are in one comer of the Wagga Common, 



